﻿// Portions copyright 2005, 2006 - Morten Nielsen (www.iter.dk)
// Portions copyright 2006, 2007 - Rory Plaire (codekaizen@gmail.com)
// Portions copyright 2007, 2008 - Ariel Yaroshevich (a.k.a blackrussian) (hamlet@inter.net.il)
// This file is part of SharpMap.
// SharpMap is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// SharpMap is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License
// along with SharpMap; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 




using System;
using System.Collections.Generic;
using System.Text;
using SharpMap.Rendering.Rendering2D;
using SharpMap.Styles;
using SharpMap.Rendering;
using System.Windows.Media;
using System.Diagnostics;
using System.Windows.Data;
using System.Windows;
using System.ComponentModel;
using SharpMap.Wpf.Rendering;

namespace SharpMap.Wpf.Rendering
{
   
    public class FeatureRenderer : BasicGeometryRenderer2D<Drawing> 
    {

       public FeatureRenderer(VectorRenderer2D<Drawing> vectorRenderer)
       :base(vectorRenderer) 
       {
        }
     
        public FeatureRenderer(VectorRenderer2D<Drawing> vectorRenderer, VectorStyle defaultStyle)
        :base(vectorRenderer,defaultStyle)
        {
           
        }

        protected override IEnumerable<Drawing> DoRenderFeature(SharpMap.Data.IFeatureDataRecord feature, SharpMap.Styles.VectorStyle style, RenderState renderState)
        {
           // return base.DoRenderFeature(feature, style, renderState);
            if (Theme != null && feature.Geometry is SharpMap.Geometries.Point
                || feature.Geometry is SharpMap.Geometries.MultiPoint)
            {
                style = Theme.GetStyle(feature) as VectorStyle;
                if (!style.Enabled)
                {
                    yield break;
                }
            }
            IEnumerable<Drawing> renderedFeature = renderThorughBase(feature, style, renderState);
            foreach (Drawing d in renderedFeature)
            {
                yield return d;
            }
        }


        //this is just to avoid wargings about unverifiable code
        IEnumerable<Drawing> renderThorughBase(SharpMap.Data.IFeatureDataRecord feature, SharpMap.Styles.VectorStyle style, RenderState renderState)
        {
            return base.DoRenderFeature(feature, style, renderState);
        }

  
   }
}
